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Given: Pb2+(aq)+ 2e- Pb(s); E° = -0.13 V

question 63

Multiple Choice

Given:
Pb2+(aq) + 2e- Given: Pb<sup>2+</sup>(aq) + 2e<sup>-</sup>  Pb(s) ; E° = -0.13 V Mg<sup>2+</sup>(aq) + 2e<sup>-</sup>  Mg(s) ; E° = -2.38 V Ag<sup>+</sup>(aq) + e<sup>-</sup>  Ag(s) ; E° = 0.80 V 2H<sup>+</sup>(aq) + 2e<sup>-</sup>  H<sub>2</sub>(g) ; E° = 0.00 V Under standard-state conditions,which of the following species is the best reducing agent? A) H<sub>2</sub> B) Mg<sup>2+</sup> C) Ag<sup>+</sup> D) Pb E) AgPb(s) ; E° = -0.13 V
Mg2+(aq) + 2e- Given: Pb<sup>2+</sup>(aq) + 2e<sup>-</sup>  Pb(s) ; E° = -0.13 V Mg<sup>2+</sup>(aq) + 2e<sup>-</sup>  Mg(s) ; E° = -2.38 V Ag<sup>+</sup>(aq) + e<sup>-</sup>  Ag(s) ; E° = 0.80 V 2H<sup>+</sup>(aq) + 2e<sup>-</sup>  H<sub>2</sub>(g) ; E° = 0.00 V Under standard-state conditions,which of the following species is the best reducing agent? A) H<sub>2</sub> B) Mg<sup>2+</sup> C) Ag<sup>+</sup> D) Pb E) AgMg(s) ; E° = -2.38 V
Ag+(aq) + e- Given: Pb<sup>2+</sup>(aq) + 2e<sup>-</sup>  Pb(s) ; E° = -0.13 V Mg<sup>2+</sup>(aq) + 2e<sup>-</sup>  Mg(s) ; E° = -2.38 V Ag<sup>+</sup>(aq) + e<sup>-</sup>  Ag(s) ; E° = 0.80 V 2H<sup>+</sup>(aq) + 2e<sup>-</sup>  H<sub>2</sub>(g) ; E° = 0.00 V Under standard-state conditions,which of the following species is the best reducing agent? A) H<sub>2</sub> B) Mg<sup>2+</sup> C) Ag<sup>+</sup> D) Pb E) AgAg(s) ; E° = 0.80 V
2H+(aq) + 2e- Given: Pb<sup>2+</sup>(aq) + 2e<sup>-</sup>  Pb(s) ; E° = -0.13 V Mg<sup>2+</sup>(aq) + 2e<sup>-</sup>  Mg(s) ; E° = -2.38 V Ag<sup>+</sup>(aq) + e<sup>-</sup>  Ag(s) ; E° = 0.80 V 2H<sup>+</sup>(aq) + 2e<sup>-</sup>  H<sub>2</sub>(g) ; E° = 0.00 V Under standard-state conditions,which of the following species is the best reducing agent? A) H<sub>2</sub> B) Mg<sup>2+</sup> C) Ag<sup>+</sup> D) Pb E) AgH2(g) ; E° = 0.00 V
Under standard-state conditions,which of the following species is the best reducing agent?

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